(2013·浙江高考)Mary worked here as a ________ secretary and ended up getting a full­time job with the company.

you got used to the Chinese food, Robert—Yes, but I don’t like ________ when a Chinese hostkeeps serving me the food I don’t like

Tom’s first job was at a local restaurant in his early twenties，________he worked for seven years.

下列句子中加横线的成语运用恰当的一项是（ ）

______ you do the experiment carefully, you would make discoveries others wouldn’t make.